Many posts here express dismay at Airbnb's selective disregard for the law.
Companies often ignore laws when it is expected to be profitable. It's a simple matter of risk management. And it is a straightforward consequence of our economic and legal system.
See this 2012 article "Should Companies Obey the Law If Breaking It Is More Profitable?" http://www.huffingtonpost.com/dana-radcliffe/should-companie...